Build Information
Failed to build Beacon, reference main (a177c6), with Swift 6.1 for watchOS using Xcode 16.3 on 11 Sep 2026 12:34:31 UTC.
Build Command
No build command. This typically means the build failed at an early stage where we determine the build command.Build Log
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RunAll
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Builder version: 5.0.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/mmellau/swift-beacon.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mmellau/swift-beacon
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at a177c6f docs: link the punching holes article from how it works
Cloned https://github.com/mmellau/swift-beacon.git
Revision (git rev-parse @):
a177c6fa243e7f6f9c250bbe4197ed011b09d689
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/mmellau/swift-beacon.git at main
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Build
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Selected platform: watchOS
Swift version: 6.1
Building package at path: $PWD
https://github.com/mmellau/swift-beacon.git
https://github.com/mmellau/swift-beacon.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: fatalError
Command line invocation:
/Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2026-09-11 05:34:30.542 xcodebuild[505:2905] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-11-09_05-34-0030.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
Command line invocation:
/Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2026-09-11 05:34:31.211 xcodebuild[515:3000] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-11-09_05-34-0031.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
BUILD FAILURE 6.1 watchOS